About
ThredUp LogoThredUp
Shop
SellCleanout animation
Beta
My ThredUp
Account
0
Check out

Shop Women's Swimwear at up to 90% off estimated retail! thredUP has a huge selection of gently used women's swimwear. Find bikinis, one-pieces, board shorts and cover ups from brands like Seafolly, Aqua or Speedo at thredUP.

PurpleRemove filter
58 items
Sort by:
    Summersalt Swimsuit Top (view 2)Summersalt Swimsuit Top (view 1)
    View Product: Summersalt Swimsuit Top

    Summersalt

    Swimsuit Top
    Size 4
    $26.99
    57% off estimated retail
    J.Crew One Piece Swimsuit (view 2)J.Crew One Piece Swimsuit (view 1)
    View Product: J.Crew One Piece Swimsuit

    J.Crew

    One Piece Swimsuit
    Size 4
    $31.99
    75% off estimated retail
    Kona Sol Swimsuit Top (view 2)Kona Sol Swimsuit Top (view 1)
    View Product: Kona Sol Swimsuit Top

    Kona Sol

    Swimsuit Top
    Size 4
    $15.99
    36% off estimated retail
    Missguided Swimsuit Bottoms (view 2)Missguided Swimsuit Bottoms (view 1)
    View Product: Missguided Swimsuit Bottoms

    Missguided

    Swimsuit Bottoms
    Size 4
    $12.99
    18% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Garnet Hill Swimsuit Bottoms (view 2)Garnet Hill Swimsuit Bottoms (view 1)
    View Product: Garnet Hill Swimsuit Bottoms

    Garnet Hill

    Swimsuit Bottoms
    Size 4
    $18.99 $12.34 35% off with code THANKU
    70% off estimated retail
    Zaful Swimsuit Bottoms (view 2)Zaful Swimsuit Bottoms (view 1)
    View Product: Zaful Swimsuit Bottoms

    Zaful

    Swimsuit Bottoms
    Size 4
    $10.99 $8.24 25% off with code THANKU
    56% off estimated retail
    Zaful Swimsuit Top (view 2)Zaful Swimsuit Top (view 1)
    View Product: Zaful Swimsuit Top

    Zaful

    Swimsuit Top
    Size 4
    $10.99 $8.24 25% off with code THANKU
    56% off estimated retail
    Bleu Rod Beattie Swimsuit Top (view 2)Bleu Rod Beattie Swimsuit Top (view 1)
    View Product: Bleu Rod Beattie Swimsuit Top

    Bleu Rod Beattie

    Swimsuit Top
    Size 4
    $20.99 $13.64 35% off with code THANKU
    72% off estimated retail
    La Blanca One Piece Swimsuit (view 2)La Blanca One Piece Swimsuit (view 1)
    View Product: La Blanca One Piece Swimsuit

    La Blanca

    One Piece Swimsuit
    Size 4
    $23.99 $14.39 40% off with code THANKU
    57% off estimated retail
    Zaful Swimsuit Bottoms (view 2)Zaful Swimsuit Bottoms (view 1)
    View Product: Zaful Swimsuit Bottoms

    Zaful

    Swimsuit Bottoms
    Size 4
    $9.99 $7.99 20% off with code THANKU
    60% off estimated retail
    Catalina Swimsuit Top (view 2)Catalina Swimsuit Top (view 1)
    View Product: Catalina Swimsuit Top

    Catalina

    Swimsuit Top
    Size 4
    $7.99 $6.39 20% off with code THANKU
    38% off estimated retail
    PilyQ Swimsuit Top (view 2)PilyQ Swimsuit Top (view 1)
    View Product: PilyQ Swimsuit Top

    PilyQ

    Swimsuit Top
    Size 4
    $18.99 $13.29 30% off with code THANKU
    75% off estimated retail
    Lands' End One Piece Swimsuit (view 2)Lands' End One Piece Swimsuit (view 1)
    View Product: Lands' End One Piece Swimsuit

    Lands' End

    One Piece Swimsuit
    Size 4
    $30.99 $18.59 40% off with code THANKU
    67% off estimated retail
    La Blanca One Piece Swimsuit (view 2)La Blanca One Piece Swimsuit (view 1)
    View Product: La Blanca One Piece Swimsuit

    La Blanca

    One Piece Swimsuit
    Size 4
    $27.99 $16.79 40% off with code THANKU
    50% off estimated retail
    Shade & Shore Swimsuit Top (view 2)Shade & Shore Swimsuit Top (view 1)
    View Product: Shade & Shore Swimsuit Top

    Shade & Shore

    Swimsuit Top
    Size 4
    $12.99 $9.09 30% off with code THANKU
    59% off estimated retail
    Zaful Swimsuit Bottoms (view 2)Zaful Swimsuit Bottoms (view 1)
    View Product: Zaful Swimsuit Bottoms

    Zaful

    Swimsuit Bottoms
    Size 4
    $10.99 $7.14 35% off with code THANKU
    56% off estimated retail
    Trina Turk Swimsuit Top (view 2)Trina Turk Swimsuit Top (view 1)
    View Product: Trina Turk Swimsuit Top

    Trina Turk

    Swimsuit Top
    Size 4
    $17.99 $11.69 35% off with code THANKU
    79% off estimated retail
    Zaful Swimsuit Bottoms (view 2)Zaful Swimsuit Bottoms (view 1)
    View Product: Zaful Swimsuit Bottoms

    Zaful

    Swimsuit Bottoms
    Size 4
    $10.99 $7.14 35% off with code THANKU
    56% off estimated retail
    Ivanka Trump One Piece Swimsuit (view 2)Ivanka Trump One Piece Swimsuit (view 1)
    View Product: Ivanka Trump One Piece Swimsuit

    Ivanka Trump

    One Piece Swimsuit
    Size 4
    $20.99 $14.69 30% off with code THANKU
    77% off estimated retail
    Talbots One Piece Swimsuit (view 2)Talbots One Piece Swimsuit (view 1)
    View Product: Talbots One Piece Swimsuit

    Talbots

    One Piece Swimsuit
    Size 4
    $24.99 $16.24 35% off with code THANKU
    80% off estimated retail
    Tigerlily Swimsuit Top (view 2)Tigerlily Swimsuit Top (view 1)
    View Product: Tigerlily Swimsuit Top

    Tigerlily

    Swimsuit Top
    Size 4
    $26.99 $18.89 30% off with code THANKU
    60% off estimated retail
    La Blanca Swimsuit Bottoms (view 2)La Blanca Swimsuit Bottoms (view 1)New With Tags
    View Product: La Blanca Swimsuit Bottoms

    La Blanca

    Swimsuit Bottoms
    Size 4
    $18.99 $12.34 35% off with code THANKU
    67% off estimated retail
    Zaful Swimsuit Top (view 2)Zaful Swimsuit Top (view 1)
    View Product: Zaful Swimsuit Top

    Zaful

    Swimsuit Top
    Size 4
    $10.99 $6.59 40% off with code THANKU
    56% off estimated retail
    Garnet Hill Swimsuit Top (view 2)Garnet Hill Swimsuit Top (view 1)
    View Product: Garnet Hill Swimsuit Top

    Garnet Hill

    Swimsuit Top
    Size 4
    $16.99 $11.04 35% off with code THANKU
    73% off estimated retail
    Nasty Gal Inc. Swimsuit Bottoms (view 2)Nasty Gal Inc. Swimsuit Bottoms (view 1)
    View Product: Nasty Gal Inc. Swimsuit Bottoms

    Nasty Gal Inc.

    Swimsuit Bottoms
    Size 4
    $8.99 $7.19 20% off with code THANKU
    71% off estimated retail
    Christopher Esber Swimsuit Bottoms (view 2)Christopher Esber Swimsuit Bottoms (view 1)Price Drop
    View Product: Christopher Esber Swimsuit Bottoms

    Christopher Esber

    Swimsuit Bottoms
    Size 4
    $67.99 $44.19 35% off with code THANKU
    69% off estimated retail
    H&M Swimsuit Top (view 2)H&M Swimsuit Top (view 1)Price Drop
    View Product: H&M Swimsuit Top

    H&M

    Swimsuit Top
    Size 4
    $8.99 $7.19 20% off with code THANKU
    52% off estimated retail
    Assorted Brands Swimsuit Top (view 2)Assorted Brands Swimsuit Top (view 1)Price Drop
    View Product: Assorted Brands Swimsuit Top

    Assorted Brands

    Swimsuit Top
    Size 4
    $9.99 $7.49 25% off with code THANKU
    60% off estimated retail
    Zaful Swimsuit Bottoms (view 2)Zaful Swimsuit Bottoms (view 1)Price Drop
    View Product: Zaful Swimsuit Bottoms

    Zaful

    Swimsuit Bottoms
    Size 4
    $10.99 $6.59 40% off with code THANKU
    56% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)Price Drop
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 4
    $12.99 $9.74 25% off with code THANKU
    79% off estimated retail
    ABS Allen Schwartz Swimsuit Bottoms (view 2)ABS Allen Schwartz Swimsuit Bottoms (view 1)Price Drop
    View Product: ABS Allen Schwartz Swimsuit Bottoms

    ABS Allen Schwartz

    Swimsuit Bottoms
    Size 4
    $17.99 $14.39 20% off with code THANKU
    76% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)Price Drop
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 4
    $21.99 $15.39 30% off with code THANKU
    65% off estimated retail
    Nip Tuck Swim Swimsuit Top (view 2)Nip Tuck Swim Swimsuit Top (view 1)Price Drop
    View Product: Nip Tuck Swim Swimsuit Top

    Nip Tuck Swim

    Swimsuit Top
    Size 4
    $16.99 $12.74 25% off with code THANKU
    46% off estimated retail
    Trina Turk Swimsuit Top (view 2)Trina Turk Swimsuit Top (view 1)Price Drop
    View Product: Trina Turk Swimsuit Top

    Trina Turk

    Swimsuit Top
    Size 4
    $17.99 $9.89 45% off with code THANKU
    79% off estimated retail
    Lands' End Swimsuit Bottoms (view 2)Lands' End Swimsuit Bottoms (view 1)Price Drop
    View Product: Lands' End Swimsuit Bottoms

    Lands' End

    Swimsuit Bottoms
    Size 4
    $21.99 $15.39 30% off with code THANKU
    65% off estimated retail
    Venus Swimsuit Bottoms (view 2)Venus Swimsuit Bottoms (view 1)Price Drop
    View Product: Venus Swimsuit Bottoms

    Venus

    Swimsuit Bottoms
    Size 4
    $11.99 $9.59 20% off with code THANKU
    36% off estimated retail
    La Blanca Swimsuit Top (view 2)La Blanca Swimsuit Top (view 1)Price Drop
    View Product: La Blanca Swimsuit Top

    La Blanca

    Swimsuit Top
    Size 4
    $12.99 $9.09 30% off with code THANKU
    65% off estimated retail
    Lands' End Swimsuit Bottoms (view 2)Lands' End Swimsuit Bottoms (view 1)Price Drop
    View Product: Lands' End Swimsuit Bottoms

    Lands' End

    Swimsuit Bottoms
    Size 4
    $10.99 $8.24 25% off with code THANKU
    82% off estimated retail
    Wild Fable Swimsuit Bottoms (view 2)Wild Fable Swimsuit Bottoms (view 1)Price Drop
    View Product: Wild Fable Swimsuit Bottoms

    Wild Fable

    Swimsuit Bottoms
    Size 4
    $10.99 $7.14 35% off with code THANKU
    31% off estimated retail
    Assorted Brands Swimsuit Top (view 2)Assorted Brands Swimsuit Top (view 1)Price Drop
    View Product: Assorted Brands Swimsuit Top

    Assorted Brands

    Swimsuit Top
    Size 4
    $9.99 $6.99 30% off with code THANKU
    60% off estimated retail
    Assorted Brands Swimsuit Bottoms (view 2)Assorted Brands Swimsuit Bottoms (view 1)Price Drop
    View Product: Assorted Brands Swimsuit Bottoms

    Assorted Brands

    Swimsuit Bottoms
    Size 4
    $10.99 $7.14 35% off with code THANKU
    56% off estimated retail
    Zaful Swimsuit Bottoms (view 2)Zaful Swimsuit Bottoms (view 1)Price Drop
    View Product: Zaful Swimsuit Bottoms

    Zaful

    Swimsuit Bottoms
    Size 4
    $10.99 $6.59 40% off with code THANKU
    56% off estimated retail
    ASOS Swimsuit Bottoms (view 2)ASOS Swimsuit Bottoms (view 1)Price Drop
    View Product: ASOS Swimsuit Bottoms

    ASOS

    Swimsuit Bottoms
    Size 4
    $9.99 $5.99 40% off with code THANKU
    68% off estimated retail
    Zaful Swimsuit Top (view 2)Zaful Swimsuit Top (view 1)Price Drop
    View Product: Zaful Swimsuit Top

    Zaful

    Swimsuit Top
    Size 4
    $9.99 $6.49 35% off with code THANKU
    60% off estimated retail
    Nasty Gal Inc. Swimsuit Top (view 2)Nasty Gal Inc. Swimsuit Top (view 1)Price Drop
    View Product: Nasty Gal Inc. Swimsuit Top

    Nasty Gal Inc.

    Swimsuit Top
    Size 4
    $10.99 $8.79 20% off with code THANKU
    85% off estimated retail
    Lands' End Sport Swimsuit Bottoms (view 2)Lands' End Sport Swimsuit Bottoms (view 1)Price Drop
    View Product: Lands' End Sport Swimsuit Bottoms

    Lands' End Sport

    Swimsuit Bottoms
    Size 4
    $9.99 $7.99 20% off with code THANKU
    80% off estimated retail
    H&M Swimsuit Top (view 2)H&M Swimsuit Top (view 1)Price Drop
    View Product: H&M Swimsuit Top

    H&M

    Swimsuit Top
    Size 4
    $8.99 $7.19 20% off with code THANKU
    52% off estimated retail
    Yamamay Swimsuit Top (view 2)Yamamay Swimsuit Top (view 1)Price Drop
    View Product: Yamamay Swimsuit Top

    Yamamay

    Swimsuit Top
    Size 4
    $9.99 $6.99 30% off with code THANKU
    47% off estimated retail
    Becca Swimsuit Top (view 2)Becca Swimsuit Top (view 1)Price Drop
    View Product: Becca Swimsuit Top

    Becca

    Swimsuit Top
    Size 4
    $9.99 $7.99 20% off with code THANKU
    73% off estimated retail
    Lands' End Swimsuit Bottoms (view 2)Lands' End Swimsuit Bottoms (view 1)Price Drop
    View Product: Lands' End Swimsuit Bottoms

    Lands' End

    Swimsuit Bottoms
    Size 4
    $9.99 $7.99 20% off with code THANKU
    84% off estimated retail
    H&M Swimsuit Top (view 2)H&M Swimsuit Top (view 1)Price Drop
    View Product: H&M Swimsuit Top

    H&M

    Swimsuit Top
    Size 4
    $8.99 $7.19 20% off with code THANKU
    52% off estimated retail
    Bleu Rod Beattie Swimsuit Top (view 2)Bleu Rod Beattie Swimsuit Top (view 1)Price Drop
    View Product: Bleu Rod Beattie Swimsuit Top

    Bleu Rod Beattie

    Swimsuit Top
    Size 4
    $7.99 $6.39 20% off with code THANKU
    89% off estimated retail
    Zaful Swimsuit Bottoms (view 2)Zaful Swimsuit Bottoms (view 1)Price Drop
    View Product: Zaful Swimsuit Bottoms

    Zaful

    Swimsuit Bottoms
    Size 4
    $9.99 $5.99 40% off with code THANKU
    60% off estimated retail
    Collections By Catalina Swimsuit Top (view 2)Collections By Catalina Swimsuit Top (view 1)Price Drop
    View Product: Collections By Catalina Swimsuit Top

    Collections By Catalina

    Swimsuit Top
    Size 4
    $7.99 $6.39 20% off with code THANKU
    68% off estimated retail
    ASOS Swimsuit Top (view 2)ASOS Swimsuit Top (view 1)Price Drop
    View Product: ASOS Swimsuit Top

    ASOS

    Swimsuit Top
    Size 4
    $9.99 $5.99 40% off with code THANKU
    60% off estimated retail
    H&M Swimsuit Bottoms (view 2)H&M Swimsuit Bottoms (view 1)Price Drop
    View Product: H&M Swimsuit Bottoms

    H&M

    Swimsuit Bottoms
    Size 4
    $8.99 $7.19 20% off with code THANKU
    35% off estimated retail
    H&M Swimsuit Bottoms (view 2)H&M Swimsuit Bottoms (view 1)Price Drop
    View Product: H&M Swimsuit Bottoms

    H&M

    Swimsuit Bottoms
    Size 4
    $8.99 $7.19 20% off with code THANKU
    35% off estimated retail
    Zaful Swimsuit Top (view 2)Zaful Swimsuit Top (view 1)
    View Product: Zaful Swimsuit Top

    Zaful

    Swimsuit Top
    Size 4
    $8.99 $5.84 35% off with code THANKU
    62% off estimated retail
    Back
    1
    Next

    Loading...